WO2006043637A1 - Broyeur de bois - Google Patents

Broyeur de bois Download PDF

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Publication number
WO2006043637A1
WO2006043637A1 PCT/JP2005/019318 JP2005019318W WO2006043637A1 WO 2006043637 A1 WO2006043637 A1 WO 2006043637A1 JP 2005019318 W JP2005019318 W JP 2005019318W WO 2006043637 A1 WO2006043637 A1 WO 2006043637A1
Authority
WO
WIPO (PCT)
Prior art keywords
crushing
sieve
link
screen
wood
Prior art date
Application number
PCT/JP2005/019318
Other languages
English (en)
Japanese (ja)
Inventor
Masamichi Tanaka
Masanori Shinooka
Original Assignee
Hitachi Construction Machinery Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co., Ltd. filed Critical Hitachi Construction Machinery Co., Ltd.
Priority to US11/579,606 priority Critical patent/US7681816B2/en
Priority to EP05795861A priority patent/EP1810753A4/fr
Priority to JP2006543070A priority patent/JP4809238B2/ja
Publication of WO2006043637A1 publication Critical patent/WO2006043637A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B02C13/284—Built-in screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material

Definitions

  • the present invention relates to a pruned branch material, a wood crusher for crushing thinned wood, branch wood, waste wood, etc., for example, a wood crusher that crushes crushed wood by rotating a crushing rotor. is there.
  • pruned branches generated when pruning timber harvested in forests ⁇ thinned lumber, branch timber generated in greenery maintenance management, etc. Wood is usually finally treated as industrial waste.
  • the wood crusher is used to reduce the volume of waste during the waste treatment process, or to ferment the crushed material after pulverization and reuse it as organic fertilizer. Before being transported, it is crushed to a predetermined size at the work site.
  • a crushing rotor having crushing bits arranged on the outer peripheral portion, a sieve member provided on the outer peripheral side of the crushing device, and holding the sieve member at a position on the outer peripheral side of the crushing device
  • Some include a sieve member holding means (support member) and a moving mechanism for moving the sieve member holding means to a position where the sieve member is replaced (for example, see Patent Document 1).
  • the crushed wood is crushed with a crushing bit provided in the crushing rotor until the crushed wood (wood chip) is less than the opening area of the openings provided in the sieve member. When it is crushed finely, it is discharged outside through the opening.
  • the particle size adjustment of the crushed wood is prepared in advance with multiple types of sieve members with different areas of the opening, and these are replaced as appropriate. Is done.
  • the replacement of the sieve member is performed by moving the sieve member holding means to the position where the sieve member is to be replaced by the moving mechanism, and inserting and removing the sieve member at that position.
  • This moving mechanism is provided on one end side of the suspension bolt and the sieve member holding means rotatably supported by the bracket, and supports the sieve member holding means in a predetermined position by screwing with the suspension bolt.
  • the screwed support member moves up and down according to the rotation. To do.
  • the sieve member holding means rotates about the other end side, and the sieve member is moved to the replacement position.
  • Patent Document 1 Japanese Patent Laid-Open No. 2002-346418
  • the present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a wood crusher that can greatly reduce the labor required to replace the sieve member. It is in.
  • a wood crusher according to the present invention is provided with a frame breaking device having a frame breaking rotor for crushing the wood to be crushed, and detachable on the outer peripheral side of the frame breaking device.
  • a heel member a sieve member holding means provided on the outer peripheral side of the sieve member and holding the sieve member at an outer peripheral side position of the crushing device, and a link mechanism connected to the sieve member holding means, It is connected to this link mechanism, and is provided with expansion / contraction drive means for advancing and retracting the sieve member holding means with respect to the crushing device by its expansion / contraction operation.
  • a wood crusher that determines the particle size of crushed wood (wood chips) crushed by a crushing device using a sieving member, for example, a plurality of types of sieving members having different areas of openings are prepared in advance. The particle size of the crushed wood is adjusted by appropriately replacing them.
  • the squeeze member holding means is advanced and retracted with respect to the crushing device via the link mechanism by extending and retracting the expansion and contraction drive means. That is, for example, normal crushing work
  • the telescopic drive means is extended to move the sieve member holding means closest to the crushing device and move to the position (set position) to set the sieve member.
  • the telescopic drive means is shortened to hold the sieve member Move the means to the position to replace the sieve member (exchange position) and perform the replacement work.
  • the sieve member holding means can be easily moved to the replacement position, and after the replacement work is completed, the sieve member holding means can be easily returned to the set position.
  • the operator manually rotates the suspension bolt with a tool such as a wrench to move the sieve member holding means to the replacement position, and replaces the sieve member.
  • the labor required for work can be greatly reduced.
  • the sieve member holding means is structured to be supported at a plurality of locations in the crushing rotor axial direction
  • the above-described conventional technique requires the plurality of suspension bolts to be rotated evenly, so that the replacement work can be performed alone.
  • the expansion / contraction drive means is constituted by a hydraulic cylinder or the like, a plurality of hydraulic cylinders are operated evenly by operating the operation switch or the like. Therefore, even when working alone, the sieving member holding means can be easily moved and replaced. Therefore, according to the present invention, the labor required for replacing the sieve member can be greatly reduced.
  • the link mechanism moves the sieve member holding means in a direction approaching the crushing device when the expansion / contraction driving means expands, and the expansion / contraction driving means contracts. Then, the sieve member holding means is moved in a direction away from the crushing device.
  • the link mechanism is connected to one end portion of the expansion / contraction driving means and moves along the expansion / contraction direction of the expansion / contraction driving means.
  • a second link member rotatably connected to the sieve member holding means and the other side to the first link member.
  • the link mechanism performs the following operation.
  • the first link member and the second link member of the link mechanism are almost stretched, and the sieve member holding means is at the exchange position farthest away from the crushing device.
  • Located at. This state force The direction in which the first link member extends as the telescopic drive means extends
  • the second link member is rotated and the first link member and the second link member are gradually bent, and the sieve member holding means is gradually moved closer to the crusher.
  • the telescopic drive means is stretched, the first link member and the second link member are bent at substantially right angles, and the sieve member holding means is located at the set position closest to the crushing device.
  • a guide that guides a moving direction of the first link member and supports a longitudinal load that the first link member also receives the second link member. It shall be provided with a member.
  • the sieve member holding means can be moved to the set position and locked by only one action of extending the expansion / contraction driving means. Therefore, it is possible to reduce the labor required for the return work after the replacement work of the sieve member, and as a result, it is possible to obtain the effect of reducing the labor of the replacement work of the sieve member. Furthermore, according to the present invention, if the external force acting on the expansion / contraction driving means when the sieve member holding means is in the set position can be greatly reduced, a wrinkle effect can be obtained.
  • the sieving member holding means has an end opposite to the second link member, the rotation center of the crushing rotor with respect to the frame of the crushing device A pin extending in parallel with the frame is supported so as to be pivotable, and is held between the holding plate fixed to the frame to hold the sieve member holding means.
  • the link mechanism may include a second link member.
  • the link mechanism includes a plane passing through rotation centers of pins on both ends of the second link member, the sieve member holding means, and the second link.
  • the angle formed between the rotation center of the pin connecting the members and the plane passing through the rotation center of the crushing rotor should be 90 degrees during the fracture work.
  • the present invention also provides a crushing device having a crushing rotor for crushing crushed wood, and a curved screen detachably provided on the outer peripheral side of the crushing device.
  • a member a sieve member holding means for holding the sieve member at an outer peripheral side position of the crushing device, an abutting member having an abutting surface along a curved shape of the sieve member, the sieve member, Extending and retracting drive means for moving the contact member forward and backward with respect to the sieve member along a direction oblique to the normal direction at the contact portion with the contact member.
  • the abutting member is advanced and retracted relative to the sieve member by causing the expansion / contraction driving means to expand and contract. That is, for example, during normal crushing work, the expansion / contraction drive means is extended and the contact member is brought into contact with the sieve member to fix the sieve member, and when the sieve member is replaced, the expansion / contraction drive means is shortened and the contact member is sieved. By separating the member force, the sieving member is released from the fixed state to be removable. In this way, when replacing the sieve member, the sieve member can be fixed by the contact member so that the sieve member can be easily replaced. By manually rotating the suspension bolt and moving the sieve member holding means to the replacement position and replacing the sieve member, the labor required for the replacement work can be greatly reduced compared to the aforementioned prior art. Can do.
  • the contact member is advanced and retracted along a direction that is oblique to the normal direction at the contact portion between the sieve member and the contact member. Accordingly, it is possible to adopt a configuration in which the contact member is brought into contact with the sieve member from the oblique direction.
  • the breakage is caused.
  • the normal outward force acting on the sieve member during the crushing operation directly acts on the expansion / contraction driving means via the abutting member, whereas according to the present invention, the direction oblique to the normal direction. Since the force is also brought into contact, only the component force of the force acting on the sieve member during the crushing operation can be applied to the expansion / contraction driving means. Thereby, the external force acting on the expansion / contraction driving means can be greatly reduced.
  • the contact member is moved when the contact member is in contact with the sieve member and is most distant from the sieve member.
  • a locking device shall be provided.
  • the expansion / contraction driving means is a hydraulic cylinder.
  • the sieve member holding means can be easily moved to the sieve member replacement position by advancing and retracting the sieve member holding means with respect to the crushing device using the expansion / contraction drive means.
  • the labor required for the replacement work of the sieve member can be greatly reduced.
  • the sieve member since the abutting member is advanced and retracted with respect to the sieve member by using the expansion / contraction drive means, the sieve member can be easily fixed by the abutting member. The labor required for replacing parts can be greatly reduced.
  • FIG. 1 is a side view showing the overall structure of an embodiment of a wood crusher of the present invention.
  • FIG. 2 is a plan view showing the overall structure of an embodiment of the wood crusher of the present invention.
  • FIG. 3 is a side view showing a detailed structure inside the side cover in the vicinity of the crushing device provided in the embodiment of the wood crusher of the present invention.
  • FIG. 4 is a side view showing a detailed structure in the vicinity of a rear end of a hot bar provided in an embodiment of the wood crusher of the present invention.
  • FIG. 5 is a view of the vicinity of the rear end of the hot bar provided in an embodiment of the wood crusher of the present invention.
  • FIG. 5 is a cross-sectional view taken along arrows V—V in FIG. 4 showing a detailed structure.
  • FIG. 6 is a front view showing the detailed structure in the vicinity of the rear end of the hot bar provided in the embodiment of the wood crusher of the present invention as seen from the rear of the hot bar.
  • FIG. 7 is a sectional view taken along the arrow VII-VII in FIG. 6 showing the detailed structure of the rear end of the feed conveyor provided in the embodiment of the wood crusher of the present invention.
  • FIG. 8 is a detailed view of a hook mechanism for the rear wall body of the hot bar provided in an embodiment of the wood crusher of the present invention.
  • FIG. 9 is a view showing a state where the rear wall body of the hot bar provided in the embodiment of the wood crusher of the present invention is opened.
  • FIG. 10 is a side view showing a part of the details of the movable mechanism extracted from the anvil and the vicinity of the first screen provided in the embodiment of the wood crusher of the present invention.
  • FIG. 11 is a partial cross-sectional view showing details of an anvil and the first screen area provided in an embodiment of the wood crusher according to the present invention when the first screen is replaced.
  • FIG. 11 is a partial cross-sectional view showing details of an anvil and the first screen area provided in an embodiment of the wood crusher according to the present invention when the first screen is replaced.
  • FIG. 12 is a side view showing the detailed structure of the state where the anvil is retracted inside the side cover in the vicinity of the crushing device provided in the embodiment of the wood crusher of the present invention.
  • FIG. 13 is a side view showing a part of the details of the movable mechanism extracted from the configuration around the first screen and the second screen provided in the embodiment of the wood crusher of the present invention.
  • FIG. 14 is a side view showing a part of the details of the movable mechanism when the screen is replaced by extracting the configuration around the first screen and the second screen provided in the embodiment of the wood crusher of the present invention.
  • FIG. 15 shows an operation panel for operating the hydraulic cylinder for advancing and retracting the contact member and the hydraulic cylinder for rotating the screen support member provided in the embodiment of the wood crusher of the present invention.
  • FIG. 16 is a side view, partly in section, showing another configuration example of the crushing device provided in the wood crusher of the present invention.
  • FIG. 17 is a side view showing, in part, a cross section of still another example of the crushing device provided in the wood crusher of the present invention.
  • FIG. 1 is a side view showing the overall structure of a self-propelled wood crusher according to an embodiment of the present invention
  • Fig. 2 is a top view of the self-propelled wood crusher shown in Fig. 1.
  • FIG. 4 is a side view showing a detailed structure inside a side cover 45 in the vicinity of the crushing device 12 described later.
  • the direction corresponding to the left and right in Fig. 1 is the rear and front of the wood crusher, or one and the other.
  • 1 is a traveling body that enables self-running
  • 2 is a crushing function component that crushes the wood to be shredded provided on the traveling body 1
  • 3 is this crusher.
  • 4 is a power unit (power unit) equipped with the power source (engine) of each mounted device, etc.
  • the self-propelled wood crusher is roughly composed of the traveling body 1, the crushing function component 2, the discharge conveyor 3, the power unit 4, and the like.
  • the traveling body 1 includes a track frame 5, a driving wheel 6 and a driven wheel 7 provided at both front and rear ends of the track frame 5, and a driving device in which an output shaft is connected to the shaft of the driving wheel 6 (for traveling (Hydraulic motor) 8 and a crawler belt (endless track crawler track) 9 wound around the driving wheel 6 and the driven wheel 7.
  • Reference numeral 36 denotes a main body frame provided on the track frame 5.
  • the main body frame 36 supports the crushing function component 2, the discharge conveyor 3, the power unit 4, and the like.
  • the crushing function component 2 includes a hopper 10 that receives input crushed wood, a feed conveyor 11 that serves as means for transporting the crushed wood accommodated in the hopper 10, and the feed conveyor.
  • a breaking device 12 (see FIG. 3) for breaking the broken wood introduced by 11 and a pressing conveyor device 13 for pressing the broken wood introduced into the crushing device 12 before the crushing device 12 against the feed conveyor 11 ( (See Fig. 3)
  • FIG. 4 is a side view showing a detailed structure near the rear end of the hopper 10
  • FIG. 5 is a cross-sectional view taken along the line V—V in FIG. 4
  • FIG. 6 is a front view of the hopper 10 viewed from the rear.
  • FIG. 4 shows a state in which an outer wall body 15 to be described later is removed.
  • the hopper 10 is formed in a bottomed shape, and is provided substantially horizontally on the rear side of the crushing rotor 61 (described later) on the main body frame 36, and on the rear side of the feed conveyor 11.
  • the rear wall body 14 provided, the outer wall body 15 on both the left and right sides in the width direction, and the both sides in the width direction of the feed compare 11 inside the outer wall body 15 so that a gap is secured between the outer wall body 15 and the outer wall body 15.
  • a side wall 16 configured in an L shape with a plurality of members, and a widened portion (a 17), bottom wall body 18 provided on the entire bottom surface with a slight gap on the lower side of the feed conveyor 11, and front wall body 19 provided on the front end (see FIG. 3 above)
  • the upper end of the rear wall 14 is set to be equal to or slightly higher than the transfer surface of the feed conveyor 11, and the upper end of the front wall 19 is set to be slightly lower than the transfer surface of the feed conveyor 11.
  • the upper end of the rear wall 14 is set to
  • FIG. 7 is a cross-sectional view taken along arrow VII-VII in FIG. 6 showing the detailed structure of the rear end of the feed conveyor 11.
  • the same reference numerals are given to the same parts as those in the previous drawings. The description is omitted.
  • the rear wall body 14 of the hopper 10 is integrally formed by a rear wall portion 20 located at the rear end and a bottom wall portion 21 provided at a substantially right angle at the lower end portion of the rear wall portion 20. It has a substantially L-shape when viewed from the side force.
  • the bottom wall portion 21 extends substantially horizontally from the lower end of the rear wall portion 20 to a position below a driven wheel 41 (described later) of the feed conveyor 11 and is substantially flush with the bottom wall body 18 with the beam 37 interposed therebetween. It is provided and constitutes the bottom of the hopper 10 together with the bottom wall 18.
  • a pin 23 is provided on the upper end portion of the rear wall portion 20 via a bracket 22, and the rear wall portion 20 is attached to the side wall body 16 so as to be rotatable with the pin 23 as a fulcrum. Thereby, the rear wall portion 20 and the bottom wall portion 21 are integrally rotated (that is, the rear wall body 14) is rotated, and the rear end portion of the hopper 10 can be opened and closed.
  • a guide member 35 formed in an arc shape so as to follow the trajectory of the rear end portion of the feed conveyor 11 via a slight gap is provided, and the wood to be crushed is fed into the feed conveyor. The entry into the space behind 11 is suppressed.
  • Reference numerals 24 and 25 denote locking mechanisms for holding the rear wall body 14 in a closed state.
  • the locking mechanism 24 is formed on the rear end surface of the beam 26 which is passed to the rear end portion of the bottom of the L-shaped side wall body 16.
  • the lock mechanism 25 is provided on the upper surface of the bottom portion of the side wall body 16 at a position slightly ahead of the hook mechanism 24.
  • FIGS. 8 (a) and 8 (b) are detailed views of the locking mechanism 24 as seen from the same direction as FIG. 6.
  • the same reference numerals are used for the same parts as in the previous drawings. The description is omitted. Na
  • the configuration of the lock mechanism 25 is the same as that of the lock mechanism 24.
  • the lock mechanisms 24 and 25 are also provided on both sides of the self-propelled wood crusher in the vehicle width direction (vertical direction in Fig. 2), respectively, and Fig. 8 (a) and Fig. 8 (b) are on one side. Is shown in the figure.
  • the lock mechanism 24 is provided with a support plate 28 fixed to the beam 26 by a plurality of bolts 27, and the support plate 28 provided at a predetermined interval.
  • a bracket 33 fixed to the lower end of the rear wall 14.
  • the pin 30 is inserted into the bracket 33 on the rear wall 14 side, and the handle 31 is engaged between the bracket 29 and the locking member 32.
  • the rear wall body 14 is fixed to the side wall body 16 via the pin 30, and the rear wall body 14 is held in a closed state.
  • the pin 30 is rotated to a position where the handle 31 is almost horizontal, the needle 31 is slid through the notch of the locking member 32, and the pin 30 is moved from the bracket 33 as shown in FIG. By removing 30, the restraint between the rear wall body 14 and the side wall body 16 is released.
  • FIG. 9 shows a state in which the rear wall body 14 is opened in correspondence with FIG.
  • the pin 30 of the lock mechanism 24 is again positioned as shown in FIG.
  • the rear wall body 14 is held open by inserting it into the opening 21a provided in the bottom wall portion 21 of the rear wall body 14 (that is, the locking mechanism 24 holds the rear wall body 14 in the open state). It is also a locking mechanism for holding).
  • [0040] 34 is a snap ring that prevents the pin 30 from falling off. It is provided on the outer periphery of the pin 30 so as to be positioned between the rackets 29 and 29. In this example, when the lock of Fig. 8 (a) is locked and when the lock of Fig. 8 (b) is released, the snap ring 34 is provided at the position where it abuts against the inner and outer brackets 29, so that the stroke of the pin 30 Is limited to an appropriate length.
  • the feed conveyor 11 includes a sprocket-like drive wheel 40 (see Fig. 3) provided on the crushing rotor 61 (described later) side and the opposite side (wood crushing). Between the driven wheel 41 (see Fig. 7 etc.) provided on the rear side of the machine and the rear wall 14 side) and the driving wheel 40 and the driven wheel 41 provided at both ends in the conveying direction. And a plurality of rows (four rows in this example, see FIG. 2) and a carrier (a conveyor belt, a chain belt) 42 arranged in a row.
  • a carrier a conveyor belt, a chain belt
  • the driven wheel 41 is supported by a bearing 43 (see FIG. 4) provided on the outer wall surface of the rear portion of the side wall body 16 of the hopper 10, and the driving wheel 40 is substantially flush with the front side of the side wall body 16. It is supported by a bearing (not shown) provided on the outer wall surface of a side cover 45 (see FIG. 3) which is a frame of the crushing device 12 provided to be located at the position.
  • the feed conveyor 11 is applied to the lower part of the hopper 10, that is, the inner side force of the side wall body 16 of the hopper 10 in the vicinity of the crushing rotor 61 (described later), and extends substantially horizontally. It is stored inside.
  • the rotation shaft 46 of the drive wheel 40 of the feed conveyor 11 is coupled to the output shaft of a drive device (feed conveyor hydraulic motor, not shown) provided outside in the width direction. It is connected through.
  • the feed conveyor 11 is configured to circulate and drive the transport body 42 between the drive wheels 40 and the driven wheels 41 by rotating and driving a drive device (not shown).
  • [0044] 47 is curved so as to be close to the rotation locus of the drive wheel 40, and is a guide member connected to the bottom wall body 18 and the front wall body 19 of the hopper 10, and 48 is slightly lower than the rotation locus of the drive wheel 40.
  • the scraper is arranged at the upper part of the front wall body 19 so that the end facing the drive wheel 40 at the position is as close as possible to the rotation locus of the drive wheel 40.
  • the end portions in the width direction of the guide member 47 and the scraper 48 are fixed to the side cover 45 of the crushing device 12.
  • the aforementioned press conveyor device 13 is provided so as to face the conveyance surface (upper surface) of the feed conveyor 11 that conveys the wood to be crushed so as to be close to the rear side of the crushing rotor 61 (described later). Yes.
  • the pressing conveyor device 13 is supported by a crusher side cover 45 with a rotating shaft 51 supported by a bearing 50 so that the rotating shaft 51 can be pivoted (swinged up and down) in a vertical plane.
  • a member 52 and a presser roller 53 provided rotatably with respect to the support member 52 are provided.
  • the support member 52 includes an arm portion 54 having a rotating shaft 51 and a bracket portion 55 that is provided on the distal end side of the arm portion 54 and supports the presser roller 53.
  • the lower end surface of the arm portion 54 is formed to be curved in an arc shape, and a curved plate 68 constituting a part of a crushing chamber 60 described later is attached to the curved portion.
  • the attachment portion of the presser roller 53 in the bracket portion 55 is formed in an arc shape having a smaller diameter than the presser roller 53, and the outer peripheral surface of the presser roller 53 protrudes from the bracket portion 55.
  • the dimension of the presser roller 53 in the width direction (perpendicular to the paper surface in Fig. 3) is set to be equal to or greater than the width of the transport surface of the feed conveyor 11!
  • the presser roller 53 incorporates a driving device (pressurizing roller hydraulic motor) in its body, and the driving roller (not shown) transfers it to the conveying surface of the feed conveyor 11.
  • the crushing wood on the feed conveyor 11 that has been pressed is rotated in the moving direction at almost the same peripheral speed as the crushing wood conveyance speed, and is introduced into the crushing device 12 in cooperation with the feed conveyor 11. .
  • the crushing device 12 is mounted on a substantially central portion in the longitudinal direction of the main body frame 36. As shown in Fig. 3, the crushing rotor 61 that rotates at high speed in the crushing chamber 60 and the rotation of the crushing rotor 61 are provided.
  • the anvil 62 is arranged so as to face the rolling direction (forward direction, clockwise direction in Fig. 3).
  • the force anvil 62 which will be described in detail later, is configured to be rotatable so as to retract in a direction following the normal rotation direction of the crushing rotor 61 when, for example, an excessive impact is applied (see FIG. 12). .
  • the crushing rotor 61 is rotatably supported by a bearing (not shown) provided on a side cover 45 of the crushing device 12 (or a support member not shown separately provided on the main body frame 36).
  • a plurality of support members 64 and crushing bits (impact plates or crushing blades) 65 respectively attached to the support members 64 are provided on the outer periphery thereof.
  • the breaking bit 65 is rotated when the crushing rotor 61 rotates in the forward direction (clockwise in FIG. 3).
  • the blade surface is arranged so as to precede the support member 64.
  • each crushing bit 65 is fixed to the support member 64 by a bolt 66 or the like, and can be easily replaced even when worn.
  • This drive device 67 is a drive device (hydraulic motor for crushing rotor) that rotationally drives the crushing rotor 61.
  • This drive device 67 is not particularly shown but is fixed to the side cover 45 of the crushing device 12 with bolts or the like.
  • the output shaft is connected to the rotating shaft of the crushing rotor 61 via a V-belt or the like.
  • the crushing chamber 60 described above is provided on the upper side of the crushing rotor 61 on the upper side, and on the front side and the lower side, respectively, and sets the particle size of the crushed wood (wood chips).
  • the first screen (sieving member) 69 and the second screen (sieving member) 70 having a large number of holes opened with the same diameter are generally defined, and the rear side thereof is released as a shredded wood introducing portion.
  • the curved plate 68 is attached to the curved portion of the arm portion 54 of the presser conveyor device 13 as described above, and is configured to move with the up and down swinging motion of the presser conveyor device 13.
  • the first and second screens 69 and 70 are curved so as to substantially follow the rotation trajectory of the crushing rotor 61 through a predetermined gap with the crushing bit 65 during crushing work. And is detachable (replaceable) (details will be described later).
  • the first screen 69 is rotating while the crushing rotor 61 is rotating on the opposite side of the crushing rotor 61 from the downstream end (downstream end) of the feed conveyor 11 in the conveying direction of the crushed wood.
  • the second screen 70 is located between the downstream end of the feed conveyor 11 and the first screen 69 as a whole below the center of rotation of the crushing rotor 61.
  • the downstream end of the feed conveyor 11, the umbil 62, the first screen 69, and the second screen 70 are positioned in this order.
  • FIGS. 10 and 11 are side views showing the structure of the anvil 62 and the vicinity of the first screen 69, and showing details of the movable mechanism in a partial cross section.
  • FIGS. 10 and 11 are side views showing the structure of the anvil 62 and the vicinity of the first screen 69, and showing details of the movable mechanism in a partial cross section.
  • 71 is a pair of arms provided in the width direction (direction perpendicular to the paper surface in FIGS. 10 and 11).
  • the rotation shaft 72 is supported by a bearing 75 provided on the outer wall surface of the crusher side cover 45 so that the rotation shaft 72 can be rotated around the fulcrum. Note that the direction of the rotation shaft 72 is substantially parallel to the rotation axis of the crushing rotor 61.
  • the arm 71 has a front end connected to a support member 76 (see Fig. 3) fixed to the crusher side cover 45 via a shear pin 77 (see Fig. 3), so that the arm 71 can be used during crushing (for example, In the state shown in FIG. 3, the anvil 62 is positioned on one side (the right side in FIG. 3) on the circumferential direction of the curved plate 68 (the circumferential direction of the crushing rotor 61) and in the radial direction from the inner wall surface of the curved plate 68 (see FIG. 3). It is fixed and held in a posture that protrudes inward (diameter direction of the crushing rotor 61).
  • FIG. 12 corresponding to Fig. 3.
  • Reference numeral 78 denotes a stopper fixed to the support member 76. As shown in FIG. 12, the stopper 78 limits the range of rotation of the arm 71 in the retracting direction of the anvil 62. Interference with other components is prevented.
  • the fixed tooth support member 73 is provided on the rear side between the arms 71 and 71, and the anvil 62 is connected to the fixed tooth support member 73 by a bolt (not shown). It is provided to be exchangeable. Further, the frame-type screen support member (screen holder) 74 is provided below the arms 71 and 71, and the first screen 69 is placed on the screen support member 74 in an exchangeable manner. .
  • 79 has a contact surface 79a having a shape that follows the curved surface shape of the first screen 69, and has a wedge-shaped shape with a sharp tip, and 80 has a rod-side end on the contact member 79.
  • a hydraulic cylinder extension drive means
  • a pair of contact members 79 and hydraulic cylinders 80 are provided, for example, in the width direction (direction perpendicular to the paper surface in FIGS. 10 and 11) (more may be installed).
  • Contact member 79 is a hydraulic cylinder 80 To move forward and backward with respect to the first screen 69.
  • the abutting member 79 is moved in the abutting portion between the first screen 69 and the abutting member 79 (abutting surface 79a) by the guide member 63 provided between the arms 71 and 71. Guided along the direction (indicated by the single point difference line D2 in FIG. 11) that is oblique to the normal direction (direction indicated by the single point difference line D1 in FIG. 11). Further, the contact member 79 is provided with insertion holes 83 and 84 for inserting a lock pin (not shown) for fixing the position, and the lock member (the lock pin is fixed to the arm 71). The locking member 79 is in contact with the first screen 69 when inserted into the insertion hole 86 (see FIG.
  • the hydraulic cylinder 80 is extended, and the contact member 79 is pushed in a wedge shape between the first screen 69 and the guide member 63 to fix the first screen 69.
  • the hydraulic cylinder 80 is shortened and the contact member 79 is separated from the first screen 69.
  • the first screen 69 can be pulled out in the axial direction of the crushing rotor 61, and the first screen 69 can be easily replaced.
  • the arm 71 is formed with an opening 81 (see FIG. 3) for drawing out and inserting the first screen 69 in consideration of the replacement work of the first screen 69.
  • the crusher side cover 45 has an opening 82 (see FIG.
  • the operator can draw out or insert the first screen 69 in the axial direction of the crushing rotor 61 through these openings 81 and 82.
  • a bolt detachable cover or the like is attached to the opening 82 of the crusher side cover 45.
  • the position state of the contact member 79 (the expansion / contraction state of the hydraulic cylinder 80) is detected by a limit switch or the like, and when the separation is detected, the crushing port 61 is driven by a controller (not shown). It may be configured to output a command signal that does not allow the device 67 to be driven. Yes. In this case, the crushing operation can be prevented when the first screen 69 is not set. As a result, each part is broken or the first screen 69 that is not held is displaced from the specified position. It is possible to prevent crushed wood that has not passed through 69 (ie, the particle size has not been adjusted) from being discharged from the crushing device 12, and to improve safety and prevent deterioration of the quality of wood chips. Can do.
  • reference numeral 98 denotes a frame-type screen support member (screen holder) that holds the second screen 70 at the outer peripheral side position of the crushing rotor 61.
  • the screen support member (sieving member holding means) 98 has a rotating shaft 99 provided at one end (left side in FIG. 3) in the circumferential direction (circumferential direction of the crushing rotor 61). It is supported by a bearing 100 fixed to a support member (not shown) separately provided on the main body frame 36, and is configured to rotate up and down (advance and retract with respect to the crushing rotor 61).
  • the rotating shaft 99 extends parallel to the rotation center of the crushing rotor 61.
  • the screen support member 98 is rotatably supported with respect to the crusher side cover 45 and the like with the rotation shaft 99 as a fulcrum, and the screen support member 98 advances and retreats with respect to the crushing rotor 61.
  • the screen support member 98 constitutes a part of the outer peripheral portion of the crushing chamber 60. Wood crushing work is carried out in this state.
  • the second screen 70 is sandwiched between the arc-shaped presser plate 87 (see FIGS. 13 and 14 below) fixed to the crusher side cover 45 and the screen support member 98. Holds firmly.
  • the second screen 70 is lowered to a position where the end face facing the crushing rotor axial direction is separated from the presser plate 87 and faces the notch 97 (see FIG. 3) described later provided at the lower end of the crusher side cover 45. It is like that. In this state, the second screen 70 can be put on and taken down from the screen support member 98 by inserting and removing the second screen 70 in the crushing rotor axial direction through the notch 97.
  • [0063] 88 is a hydraulic cylinder (extension drive means) rotatably connected to a bracket 89 whose bottom end is fixed to the body cover 45 side via a pin 90, and 91 is an extension of the hydraulic cylinder 88.
  • This is a link mechanism that converts the contraction operation into the advance / retreat operation of the screen support member 98 relative to the crushing rotor 61.
  • the link mechanism 91 is provided at the rod side end of the hydraulic cylinder 88, and moves along the expansion / contraction direction of the hydraulic cylinder 88 (first link member) 92 and one end (upper end in FIG. 3). Part) is pivotally connected to the other circumferential end (right end in FIG.
  • a holding link (second link member) 94 rotatably connected to the slide link 92 via a pin 93 is provided. Similar to the contact member 79, the slide link 92 is provided with an insertion hole 95 for inserting a lock pin (not shown) for fixing the position.
  • the crusher body cover 45 is formed with two insertion holes (a set position insertion hole and an exchange position insertion hole) (not shown) along the moving direction of the slide link 92.
  • the slide link 92 is located at the position where the screen support member 98 is closest to the crushing rotor 61 (set position). In that state, the position is fixed (ie, the state shown in Fig. 3).
  • the slide link 92 is located at the position where the screen support member 98 is farthest from the broken frame rotor 61 (exchange position). The position is fixed in the state (state in Fig. 14 described later).
  • Reference numeral 96 denotes a guide member that guides the moving direction of the slide link 92 and supports the longitudinal load that the slide link 92 receives from the holding link 94.
  • FIG. 13 is a side view showing the details of the movable mechanism extracted in the vicinity of the first screen 69 and the second screen 70 described above, and is similar to the previous drawings. Parts are denoted by the same reference numerals and description thereof is omitted.
  • the hydraulic cylinder 88 extends and the slide link 92 and the holding link 94 of the link mechanism 91 are bent at substantially right angles, and the screen support member 98 Is the set position.
  • the holding link 94 is used during the crushing operation (when the screen holding member 98 is closest to the crushing rotor 61 and is in the “set position”).
  • 69 or the second screen 70) is along (close to) the tangential direction of the arc-shaped cross section.
  • this state force also rotates and gradually opens the slide link 92 and the holding link 94, and the screen support member 98 Gradually moves (lowers) away from the crushing rotor 61.
  • the plane S 1 passing through the rotation center O of the pins 93 and 93a supporting the holding link 94 is between the plane S 2 passing through the rotation center of the pin 93 and along the sliding direction of the slide link 92.
  • a be the angle formed by.
  • the angle ⁇ is an angle formed on the crushing rotor 61 side of the pin 93a on the upper side of the plane S2.
  • a range in which the plane S 1 always inclines upward in the extending direction of the hydraulic cylinder 88 (0 ⁇ 90 It is desirable to limit the operating range of the link mechanism 91 or the stroke of the hydraulic cylinder 88 to °).
  • the link mechanism 91 urges the screen support member 98 away from the crushing rotor 61. Further, even if the hydraulic cylinder 88 is extended (by increasing the angle oc) and the screen support member 98 is brought closer to the crushing mouth 61, the holding link 94 rotates until ⁇ > 90 °. This is because the link mechanism 91 turns to behave to move the screen support member 98 away from the crushing rotor 61.
  • the center of rotation ⁇ ⁇ of the crushing rotor 61 coincides with the center of curvature (R center) of the arc-shaped cross section of the first and second screens 69 and 70 by design and is circular along the second screen 70. It also coincides with the R center of the presser plate 87 formed in an arc.
  • “match” here means not only when the R center of each member and the rotation center ⁇ of the crushing rotor 61 exactly match, but also when the error falls within the accumulated range of manufacturing tolerances of each member. Shall be included.
  • an angle formed between the plane S3 passing through the rotation center ⁇ of the crushing rotor 61 and the rotation center of the pin 93a and the plane S1 is ⁇ 8. If the angle) 8 is defined in this way, the planes S 1 and S 3 are perpendicular to each other (
  • 8 90 °) during the crushing operation (when the screen support member 98 is closest to the crushing rotor 61).
  • the holding link 94 is almost in the direction tangent to the curvature circle of the screen 70.
  • the link mechanism 91 is designed in such a way that the force that presses the screen support member 98 against the presser plate 87 (in other words, the force that sandwiches the second screen 70 between the presser plate 87) or the second screen 70 and the screen. This is advantageous in that the force for bringing the support member 98 close to the first screen 69 and the arm 71 without any gap is most efficiently applied.
  • the holding link 94 behaves so as to bring the screen holding member 98 closer to the crushing rotor 61, and the sliding of the slide link 92 has a force that opens the screen holding member 98.
  • the angle ex during the crushing operation is preferably 90 degrees.
  • the crushing operation is performed from the viewpoint of most efficiently converting the extension force of the hydraulic cylinder 88 to the force pressing the screen support member 98 against the presser plate 87 by the link mechanism 91. It is desirable that the hour angle j8 is also 90 °.
  • Fig. 16 schematically shows another configuration example of the crushing device in consideration of the positional relationship between the crushing rotor 61, the second screen 70, the hydraulic cylinder 88, the link mechanism 91, and the screen support member 98 with emphasis on this point.
  • FIG. 17 shows still another configuration example in which the plane S3 is a plane that passes through the center of rotation of the pin 99 that connects the screen support member 98 to the crusher side cover 45. That is, in the configuration example of FIG. 17, the rotation center of the pin 99 is along the plane S3 in the configuration example of FIG.
  • the plane S3 is a plane passing through the center of rotation O of the crushing rotor 61, and the plane S3 of the pin 93a, which is the transmission point of the force between the pin 99 that is the fulcrum of the screen support member 98 and the link mechanism 91, A plane passing through the center of rotation.
  • the crusher side cover 45 is formed with the notch 97 (see Fig. 3) provided in consideration of the replacement work of the second screen 70.
  • the operator can draw out or insert the second screen 70 in the axial direction of the crushing rotor 61 through the notch 97.
  • a bolt detachable cover or the like is attached to the notch 97, for example.
  • the expansion and contraction operation of the hydraulic cylinder 88 is performed by a switching switch 104 (see FIG. 15 described later) of the operation panel 101 provided on the crusher side cover 45 (details will be described later).
  • FIG. 15 is a panel diagram of the operation panel 101 for the operator to operate the hydraulic cylinders 80 and 88.
  • the operation panel 101 is provided on a side cover 45 provided on the side of the crushing device 12.
  • the operation panel 101 is a portable switch box that can be removed from the side cover 45 and carried by an operator. This operation panel 101 is shown in FIG. In this way, an emergency stop button 102 and two change-over switches 103 and 104 are also provided in order.
  • the switching switch 103 switches between locking and unlocking the first screen 69 (that is, the contact member 79 that fixes the first screen 69 is moved forward and backward with respect to the first screen 69).
  • This is a switching switch. That is, when the first screen 69 is replaced, the changeover switch 103 is switched to the unlocked position (the position turned counterclockwise in FIG. 14; the Free position), so that the hydraulic cylinder 80 is shortened. The abutting member 79 is separated from the first screen 69, and the first screen 69 is released from the fixed state so that it can be replaced. After the replacement, the switching switch 103 is switched to the locked position (the position rotated clockwise in FIG.
  • the switching switch 104 is a switching switch for moving the screen support member 98 holding the second screen 70 forward and backward with respect to the crushing rotor 61 as described above.
  • the hydraulic switch 88 is shortened by switching the switch 104 to the separated position (the position turned counterclockwise in FIG. 14), and the link mechanism
  • the screen support member 98 moves (lowers) in a direction away from the crushing rotor 61 via 91, and the second screen 70 becomes replaceable.
  • the switching switch 104 is switched to the approach position (the position rotated clockwise in FIG. 14), so that the hydraulic cylinder 88 extends and the screen support member 98 is connected to the crushing rotor via the link mechanism 91.
  • the screen support member 98 is fixed at the set position.
  • a momentary switch is also used for the switching switch 104.
  • the switch automatically returns to the neutral position (position shown in FIG. 14). Then, the expansion / contraction operation of the hydraulic cylinder 88 stops, and the rotation operation (elevation operation) of the screen support member 98 stops!
  • the emergency stop button 102 is pressed, the drive of the hydraulic cylinders 80 and 88 is stopped regardless of the operation state of the switching switches 103 and 104.
  • the hydraulic cylinders 80 and 88 are described as being operated from the operation panel 101.
  • the present invention is not limited to this.
  • a pendant switch that can be remotely operated is provided, and an operator can remotely operate the hydraulic cylinders by remote operation. 80 and 88 may be operated.
  • the force using a momentary switch as the switching switches 102 and 103 is not limited to this, and the hydraulic cylinders 80 and 88 are stopped when the operator switches to the neutral position using a normal switching switch. May be.
  • a momentary switch for commanding the expansion / contraction operation of the hydraulic cylinders 80 and 88 is illustrated as an operation switch for the hydraulic cylinders 80 and 88, but the switch for commanding the expansion operation of the hydraulic cylinder 80 and the hydraulic cylinder 80
  • a switch for instructing a shortening operation, a switch for instructing an extension operation of the hydraulic cylinder 88, and a switch for instructing a shortening operation of the hydraulic cylinder 88 may be provided separately.
  • a momentary switch but also a push button type switch can be applied to this switch.
  • the discharge conveyor 3 is suspended and supported by a support member 112 that protrudes from the discharge side (front side, right side in FIGS. 1 and 2) partial force power unit 4. . Further, the opposite side (rear side, left side in FIGS. 1 and 2) is supported by being suspended from the main body frame 36 via a support member 113. As a result, the discharge conveyor 3 passes from the lower side of the crushing device 12 to the lower side of the power unit 4, and is arranged at an upward inclination outward from the front side of the self-propelled wood crusher.
  • 114 is a frame of the discharge conveyor 3
  • 115 is a conveyor belt (not shown) wound between a drive wheel (not shown) and a driven wheel (not shown) provided at both ends of the frame 114 in the longitudinal direction. It is a conveyor cover provided on the top.
  • Reference numeral 116 denotes a driving device (a hydraulic motor for a discharge conveyor) that rotationally drives the driving wheels. By rotating the driving device 116, the conveyor belt is circulated between the driving wheels and the driven wheels.
  • the power unit 4 described above is provided on the other side in the longitudinal direction of the main body frame 36 (the right side in Figs. 1 and 2). It is mounted on the side end via a support member 117.
  • a driver's seat 118 is provided in a compartment on the rear side of the power unit 4 and on one side in the width direction (lower side in FIG. 2).
  • 119 is an operation lever for driving operation provided in the driver's seat 118
  • 120 is an operation panel for performing other operations, settings, monitoring, and the like.
  • the operation panel 120 is provided on the side of the aircraft so that the operator can easily operate the ground force, but it may be provided in the driver's seat 118.
  • the lock pin and the lock member (lock device) 85 (not shown) constitute a lock device that prevents the contact member according to claim 6 from moving.
  • the wood to be crushed when introduced into the hopper 10 with an appropriate work tool such as a grapple of a hydraulic excavator, the wood to be crushed is guided by the expansion portion 17 of the hopper 10 and is placed on the carrier 42 of the feed conveyor 11. It is placed and transported in a substantially horizontal direction toward the front side of the wood crusher by a transport body 42 that is circulated and driven while being guided by the side wall body 16 of the hopper 10.
  • an appropriate work tool such as a grapple of a hydraulic excavator
  • the wood to be crushed on the feed conveyor 11 When the wood to be crushed on the feed conveyor 11 is conveyed to the vicinity of the pressing conveyor device 13, it enters the lower part of the pressing roller 53 of the pressing conveyor device 13 and pushes up the pressing conveyor device 13. As a result, the wood to be crushed on the feed conveyor 11 is introduced into the crushing chamber 60 in a state of being pressed and gripped with the feed conveyor 11 by the action of the weight of the press conveyor device 13. As a result, at the time of crushing, the material to be crushed protrudes into the crushing chamber 60 in a cantilevered manner with the portion sandwiched between the presser roller 54 and the feed conveyor 11 as a fulcrum, and this protruding portion rotates into a crushing rotor 61 that rotates.
  • the primary crushing is relatively rough when the crushing bit 65 collides.
  • the crushed wood pieces that have been primarily crushed go around the space in the crushing chamber 60 on the outer periphery of the crushing rotor 61 in the direction of rotation of the crushing rotor 61, collide with the anvil 62, and be further finely divided by the impact force. Secondary crushing.
  • first and second screens 69 and 70 having different opening areas are prepared in advance for the particle size of the recycled product (wood chips). It is adjusted by exchanging them as appropriate. This screen replacement is performed as follows.
  • the worker opens the door 133 (see FIG. 1) on the side surface of the crushing device 12.
  • the switching switch 103 of the operation panel 101 provided on the side cover 45 is switched to the unlocked position (the position turned counterclockwise in FIG. 15), and the hydraulic cylinder 80 is shortened to bring the contact member 79 into the first position. Separate from screen 69.
  • the switching switch 104 is switched to the separation position (position rotated counterclockwise in FIG. 15), the hydraulic cylinder 88 is shortened, and the screen support member 98 is separated from the crushing rotor 61.
  • the first screen 69 can be replaced via the opening 82 of the side cover 45
  • the second screen 70 can be replaced via the notch 97 of the side force bar 45.
  • the operator manually pulls out the first and second screens 69 and 70 to the side of the crushing device 12, and inserts new first and second screens 69 and 70.
  • the screen support member 98 is returned to the original position and the first screen 69 is fixed in the reverse procedure to the above, and the screen replacement operation is completed.
  • the operator uses a tool such as a wrench to manually rotate the suspension bolt and move the screen support member to the replacement position to replace the screen.
  • the operator can unlock the first screen 69 and move the screen support member 98 to the replacement position only by operating the switching switches 103 and 104 of the operation panel 101.
  • the screen support member 98 is supported at a plurality of locations in the crushing rotor axial direction (two locations at both ends in the present embodiment) as in the present embodiment, The operator's labor is increased by the increase in the number of suspension bolts, and the parts separated in the axial direction are increased.
  • the operator can operate the plurality of hydraulic cylinders 80 and 88 substantially equally at the same time by simply operating the switching switches 103 and 104. Even so, the contact member 97 and the screen support member 98 can be easily moved (turned). From the above, according to the present embodiment, it is possible to greatly reduce the labor required for the screen replacement work.
  • the contact member 79 is inclined with respect to the normal direction at the contact portion with the contact member 79 (contact surface 79a) of the first screen 69.
  • the first screen 69 is fixed by being moved forward and backward with respect to the first screen 69 along the direction and inserted in a wedge shape between the first screen 69 and the guide member 63.
  • the contact member 79 is contacted from a direction oblique to the normal direction of the first screen 69. Therefore, only the component force of the outward force in the normal direction acting on the first screen 69 can be applied to the hydraulic cylinder 80 during the crushing operation. As a result, the external force acting on the hydraulic cylinder 80 can be greatly reduced.
  • the slide link 92 and the holding link 94 of the link mechanism 91 are bent at a substantially right angle.
  • almost all the force acting on the second screen 70 and the screen support member 98 during the crushing operation can be received by the guide member 96 as a longitudinal load acting on the slide link 92 from the holding link 94.
  • the screen support member 98 can be mounted with only one action of operating the switch 104 and extending the hydraulic cylinder 88. It is possible to move to the set position and lock.
  • the above-mentioned presser conveyor device 13 is used as the pressure introducing means for the crushed wood.
  • the present invention is not limited to this.
  • an endless member such as a belt or a belt
  • the operation at the time of pressing may be configured to move up and down instead of rotating. In this case, the same effect is obtained.
  • a crushing device such as a biaxial shearing machine including a loose shredder
  • a crusher equipped with a cutter on parallel shafts and rotated in reverse to each other
  • a roll-shaped rotating body Rotor
  • Rotating crushing device with a pair of blades for sawing crushing, rotating the pair in opposite directions, and crushing the object to be crushed between the rotating bodies
  • a 6-axis crusher including a crusher
  • a wood crusher equipped with a so-called wood chipper that crushes objects to be crushed. In these cases, the same effect as described above is obtained.
  • the present invention is applied to a wood crusher capable of traveling on its own.
  • the present invention is not limited to this.
  • the present invention can be applied to a portable wood crusher that can be lifted and transported by a vehicle, and further to a stationary wood crusher that is arranged as a stationary machine in a plant or the like. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

L’invention concerne un broyeur de bois comportant un dispositif de broyage (12) doté d’un rotor de broyage (61) pour broyer le bois à broyer, un deuxième écran (70) installé de façon amovible du côté de la périphérie extérieure du dispositif de broyage (12), un élément porte-écran (98) installé du côté plus éloigné de la périphérie extérieure du deuxième écran (70) et maintenant le deuxième écran (70) dans une position déterminée du côté de la périphérie extérieure du dispositif de broyage (12), une mécanisme de liaison (91) rattaché à l’élément porte-écran (98), et un cylindre hydraulique (80) rattaché au mécanisme de liaison (91) et dont le mouvement télescopique fait avancer et reculer l’élément porte-écran (98) par rapport au dispositif de broyage (12). Cette structure permet de réduire sensiblement le temps nécessaire au remplacement d’un élément porte-écran.
PCT/JP2005/019318 2004-10-21 2005-10-20 Broyeur de bois WO2006043637A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/579,606 US7681816B2 (en) 2004-10-21 2005-10-20 Wood crusher
EP05795861A EP1810753A4 (fr) 2004-10-21 2005-10-20 Broyeur de bois
JP2006543070A JP4809238B2 (ja) 2004-10-21 2005-10-20 木材破砕機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004306408 2004-10-21
JP2004-306408 2004-10-21

Publications (1)

Publication Number Publication Date
WO2006043637A1 true WO2006043637A1 (fr) 2006-04-27

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US (1) US7681816B2 (fr)
EP (1) EP1810753A4 (fr)
JP (1) JP4809238B2 (fr)
WO (1) WO2006043637A1 (fr)

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CN105214779B (zh) * 2015-10-08 2018-07-27 遵义路鑫机械有限公司 一种筛网可移动的破碎机
CN110976005B (zh) * 2019-12-19 2020-12-01 乐清市路航电气有限公司 一种具有压料功能的生物质颗粒燃料粉碎装置

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CN107649260A (zh) * 2017-09-20 2018-02-02 长兴谐达能源科技有限公司 一种颗粒燃料生产用的多次粉碎装置

Also Published As

Publication number Publication date
JPWO2006043637A1 (ja) 2008-05-22
EP1810753A4 (fr) 2011-07-06
JP4809238B2 (ja) 2011-11-09
US7681816B2 (en) 2010-03-23
US20080283643A1 (en) 2008-11-20
EP1810753A1 (fr) 2007-07-25

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